Improving the Performance of a 1-MW Induction Machine by Optimally Shifting From a Three-Phase to a Six-Phase Machine Design by Rearranging the Coil Connections

Paredes, J.P.S.; Prieto, Borja; Satrústegui, Marco; Elósegui, Ibon; Gonzalez, Patxi

doi:10.1109/tie.2020.2969099

Cited by 38 publications

(18 citation statements)

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“…Moreover, six-phase induction machine (SPIM) offers less complexity, cost-effective, and more reliable solution compared to other multiphase machines. Fortunately, the SPIM can easily be constructed using the same standard three-phase stator frames with theoretically no-practical constraints [8], [9].…”

Section: Introductionmentioning

confidence: 99%

Effect of Winding Design on the Performance of Predictive Current Control of Six-Phase Induction Machine-Based Propulsion Systems

et al. 2022

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Electric propulsion based on six-phase machines in marine propulsion and automotive traction applications are undergoing rapid development due to its high capacity, fault tolerance, reduced size, and reduced torque pulsations. Among different control techniques of six-phase machines, direct controllers, such as finite control set model predictive control (FCS-MPC), have extensively been studied in recent literature. One of the main problems of this controller type is the relatively poor current quality due to circulating xy current components. This problem has been tackled in literature through enhanced control techniques and/or winding design. Following both approaches, this paper extends a previous study to deeply investigate the effect of winding design on the performance of the model predictive control applied to a six-phase induction machine (SPIM). Three six-phase winding layouts have been compared, namely, dual-three phase (D3P), asymmetrical (A6P) and symmetrical (S6P) configurations. The main objective of this study is to investigate the effect of winding chording when standard three-phase stator frames are employed on the current quality of different winding configurations under classical predictive current control (PCC). A 1.5Hp prototype system has been used for this experimental comparative study.

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Section: Introductionmentioning

confidence: 99%

Effect of Winding Design on the Performance of Predictive Current Control of Six-Phase Induction Machine-Based Propulsion Systems

et al. 2022

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“…One of the most used multiphase drives is the six-phase one because of its multiple three-phase structures [16]. The symmetrical and asymmetrical configurations are two arrangements of the six-phase motor windings.…”

Section: Introductionmentioning

confidence: 99%

New Powertrain Configurations Based on Six-Phase Current-Source Inverters for Heavy-Duty Electric Vehicles

Salem

Narimani

2022

IEEE Access

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In this paper, new powertrain configurations for heavy-duty electric vehicles (HDEV) are proposed based on current-source inverters (CSI) and asymmetrical six-phase motors. Voltage-source inverters (VSI) are widespread in many applications; however, VSI-based powertrains require a bulky bank of capacitors with a limited lifetime. Recently, powertrains based on the current-source inverter (CSI) are getting more attention to be a more reliable structure for EVs by replacing the dc-link capacitor with a choke inductor. To the authors' best knowledge, a six-phase CSI-based powertrain is not fully addressed yet. Since the six-phase CSI comprises two three-phase CSIs, multiple configurations can arise based on the connection between the two CSIs. In this context, the proposed powertrain configurations are based on parallel, cascaded, and standalone six-phase CSIs. The standalone topology is based on separating the two three-phase converters by supplying each converter with a dedicated dc-dc converter. All the proposed configurations are studied from the perspective of structure, modulation, and stresses/sizing. A case study highlights the differences and compares the three structures. The comparison is backed by experimental results, and a detailed discussion is provided for concluding a suggested selection of the best-suited topology.

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“…Multiphase machines are used nowadays in a number of industrial applications, such as high-speed elevators, trains, ship propulsion, oil and gas industry, and high-power wind energy conversion systems [1]- [2]. This is a result of their advantages over traditional three phase machines, including lower torque ripples, higher efficiency, lower space harmonics content, lower power ratings of semiconductor devices and higher fault tolerance [2], [3]. Asymmetrical six phase machines (A6P) are the most popular multiphase machines in most practical industrial applications, especially in ship propulsion and the oil and gas industry [2].…”

Section: Introductionmentioning

confidence: 99%

“…Modelling of multiphase induction machines (IMs) incorporates multiple challenges due to the different core nonlinearities. Therefore, some assumptions are always taken into consideration to simplify the mathematical modelling in most available literature, which include: [3], [4] • Linear magnetic circuit.…”

Section: Introductionmentioning

confidence: 99%

Improved Mathematical Modeling of Six Phase Induction Machines Based on Fractional Calculus

et al. 2021

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Multiphase induction machine modelling represents a crucial research topic for both machine control and performance evaluation purposes. Generally, multiphase induction machines are preferably modelled using the vector space decomposition technique with some assumptions to simplify the mathematical model. However, different sources of non-linearities, including low order harmonics mapped to secondary subspaces, cross-coupling saturation and iron losses result in a notable deviation from the experimentally measured waveforms. Furthermore, considering full symmetry amongst motors phases seems to be a rather idealistic assumption. Fractional order modelling has recently emerged as a promising mathematical technique to model highly nonlinear electrical and mechanical systems. This paper proposes an improved vector space decomposition (VSD)-based fractional order model of an asymmetrical six-phase induction machine under both healthy and open phase fault conditions with different neutral arrangements. The appropriate differentiation orders have been obtained by optimizing the error function between simulated and experimental waveforms. The results are compared with the conventional integral order-based model. Experimental validation has been carried out using a 1.5Hp prototype induction machine.

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Improving the Performance of a 1-MW Induction Machine by Optimally Shifting From a Three-Phase to a Six-Phase Machine Design by Rearranging the Coil Connections

Cited by 38 publications

References 50 publications

Effect of Winding Design on the Performance of Predictive Current Control of Six-Phase Induction Machine-Based Propulsion Systems

Effect of Winding Design on the Performance of Predictive Current Control of Six-Phase Induction Machine-Based Propulsion Systems

New Powertrain Configurations Based on Six-Phase Current-Source Inverters for Heavy-Duty Electric Vehicles

Improved Mathematical Modeling of Six Phase Induction Machines Based on Fractional Calculus

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